Granted Patent
Utility
US 5,691,352 · App. 08/624,362
Stable pharmaceutical composition of terfenadine and ibuprofen
Inventors:
Keith David Ertel, David F. Long
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jul 3, 1996
Inventors
Keith David Ertel
David F. Long
Assignee (at issue)
Merrell Pharmaceuticals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.